Ultrafine bubble generating stirring ball



FIG. 1 is a perspective view of an ultrafine bubble generating stirring ball, showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front view thereof, the rear, the left side, and the right side being identical images of the front;

FIG. 4 is a bottom view thereof, the top being an identical image of the bottom; and,

FIG. 5 is a perspective view of the ultrafine bubble generating stirring ball in a container.

The broken lines of FIGS. 1, 2 & 5 illustrate portions of the ultrafine bubble generating stirring ball, additional ultrafine bubble generating stirring ball, and the container which all form no part of the claimed design. 

CLAIM The ornamental design for an ultrafine bubble generating stirring ball, as shown and described. 